Guest

Preview Tool

Cisco Bug: CSCsz21181 - High CPU when 4948 reload with a lot of VLAN configured as SPAN source

Last Modified

Jan 28, 2017

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

12.2(50)SG1

Description (partial)

Symptom:
High CPU when 4948 reloads.
The high CPU causes link up delay.  The Link partner detects the link to be up , while the link on 4948 is still down . This results in partner start forwarding traffic and since the 4948 is down , it drops the traffic

Conditions:
Large number of VLAN is configured.
Large number of VLAN is configured as the SPAN source.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.